Question

4. A pyramid is cut by a plane parallel to
its base removing the apex, the remaining
part is known as - એક સપાટી દ્વારા એક​

Answer 1

Answer:

Correct option is

B

2

Let the height of altitude be h, then the height of cutting base from vertex be h/3

Area of base is 18, therefore the length of side will be 3

2

.

Let the length of cutting base be l

By similarity , we get

h

h/3

=

3

2

l

⇒l=

2

Therefore the area of cutting base is

2

×

2

=2.